SF Architecture & Labor Social History of San Francisco - Walk Walk With Brad Wiedemier, Executive Board Member SEIU UHW & Architectural Historian San Francisco has a rich political and labor history that is also connected to its buildings. In this history-by-the-buildings walk, Brad Wiedemier will outline artifacts and events, and their connections to San Francisco’s past and present. For more information call (415) 694-3605. See also: http://www.laborfest.net/2013/2013schedule.htm